Upgrade to remove ads
Terms in this set (15)
Which device increases voltage
Which device increases voltage?
Which is the same as a DC generator?
Since the normal voltage in a home is 120 V, what is used to bring the voltage to that level?
a step-down transformer
What did Thomas Edison's first generating plant produce?
What does a generator do?
transforms mechanical energy into electrical energy
Which type of current is produced by a battery?
Who received patents for a system of distributing alternating current?
How do charges behave in an alternating current?
they move back and forth in a circuit
How does a generator work?
It uses motion in a magnetic field to produce current.
In an AC generator, what happens each time the armature turns halfway?
The current changes direction.
What is produced when there is a current in the primary coil of a transformer?
Which type of current does a transformer work with?
What device supplies the mechanical energy to turn the armature of a generator?
Because TVs require more voltage than is found in normal household current, what is built into them?
To permit electrical energy to be sent over long distances at high voltage, then reduced to a lower voltage for everyday use, what do transmission lines use?
YOU MIGHT ALSO LIKE...
Electricity from Magnetism Test
EXAM REVIEW Science Ch. 7
OTHER SETS BY THIS CREATOR